SIMCA Family Practice is a group practice with 1 location. Currently, SIMCA Family Practice specializes in Family Medicine with 2 physicians. SIMCA Family Practice Office Locations. SIMCA Family Practice. 106 S Vicksburg St Marion, IL 62959 (618) 998-1900. Monday : 8:00 AM - 6:00 PM: Tuesday : 8:00 AM - 4:30 PM:.